homeland security class

Discuss the three classifications of domestic terrorism. Give one real-life example for each!
PLEASE USED GOOGLE SCHOLAR APPROVED SOURCES AND SITE.
– 1# POLITICAL EXTREMISM
-2# SINGLE ISSUE TERRORISM 
-3# LONE WOLF  

The FBI (2002) has developed a classification for domestic terrorism. First is political
extremism, whereby groups are using terrorism to affect political change. Second, single-issue terrorism refers to groups focusing on a particular issue such as animal rights activists or anti-abortion activists who resort to violence and other terrorist activities. Finally, the lone wolf is an individual who uses terrorist activities to attack people as a result of an issue or perceived injustice or political ideology.